Revert "Version.latest should use the lowest position rather than assuming 0"
Revert "Version.latest should use the lowest position rather than assuming 0"

This reverts commit cfb7445d347e53ec15e47f0f9e1372db627b315b.

rubygems/rubygems.org-backup,1337807/rubygems.org,dstrctrng/private_event,1337807/rubygems.org,rubygems/rubygems.org-backup,bpm/getbpm.org,dstrctrng/private_event,bpm/getbpm.org,square/rubygems.org,alloy/gemcutter,square/rubygems.org,square/rubygems.org,1337807/rubygems.org,rubygems/rubygems.org-backup,alloy/gemcutter